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Q : GD5000 reports an uplink communication fault in the unit. How to resolve it?
A: Fiber optic issues account for a significant proportion of fiber communication faults. First, clean the dust from both ends of the unit's fiber optic cable. If the fault persists, try replacing the unit's fiber optic cable. If the above methods still fail to resolve the issue, consider replacing the power board or the unit's driver board.
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